Take program "Partition Magic" from www.powerquest.com and make your partiotions under Windows without losing data. Then install Linux. I'm using Linux RedHat 7.1 with Win98 and WinNT 5.0
In most unix distributions you can use command "route" to change your gateway
example: route add default gw {IP addr} {other options}
and command "ifconfig" to change your IP address
example:...